Miller Electric Big Blue 400 PX manual Connecting To Remote 14 Receptacle RC14, Gas Connections

5-9. Connecting To Remote 14 Receptacle RC14

OR

* The remaining sockets are not used.

Ref 804 068

	Socket*	Socket Information
	A	24 volts ac. Protected by sup-
24 VOLTS AC		plementary protector CB8.
	B	Contact closure to A completes
		24 volt ac contactor control
		circuit.
	C	Output to remote control:+10
		volts dc in MIG mode; 0 to +10
		volts dc in Stick or TIG mode.
REMOTE	D	Remote control circuit common.
OUTPUT	E	DC input command signal: 0 to
CONTROL
		+10 volts from min. to max. of
		remote control with Voltage/
		Amperage Adjust control at
		max.
	F	Current feedback: 1 volt per
		100 amperes.
	H	Voltage feedback: 1 volt per 10
		arc volts.
GND	K	Chassis common.
NEUTRAL	G	Circuit common for 24 volt ac
		circuit.

5-10. Gas Connections

4 3 2

1

Tools Needed:

5/8, 1-1/8 in

1 Gas Fitting

Fittings have 5/8-18 right-hand threads.

2 Cylinder Valve

Open valve slightly to blow dirt from valve. Close valve.

3Regulator/Flowmeter

4Flow Adjust

Typical flow rate is 15 cfh (cubic feet per hour).

Connect gas hose between regula- tor/flowmeter and gas fitting on front of unit.

804 068

OM-223 037 Page 27